Article
Chemistry, Physical
Lina Liu, Sarmad Ahmad Qamar, Muhammad Bilal, Hafiz M. N. Iqbal
Summary: Ligninolytic enzymes, especially lignin peroxidase (LiP), are widely used in whitening cosmetics due to their high melanin decolorization potential. LiP, with its special redox potential, is a key enzyme in dermatology and cosmetology, commonly used in cosmetics formulations. The versatility of LiP in degrading various substrates makes it a promising alternative to traditional skin-lightening agents, with the ability to treat pigmentation disorders in a sustainable manner.
Article
Microbiology
Lina Dafne Sanchez-Corzo, Peggy Elizabeth Alvarez-Gutierrez, Rocio Meza-Gordillo, Juan Jose Villalobos-Maldonado, Sofia Enciso-Pinto, Samuel Enciso-Saenz
Summary: This study evaluated the growth of wood-decay fungi on lignocellulosic materials and the production of lignocellulolytic enzymes from collected fungi in Chiapas, Mexico. Certain strains showed high growth rates and hydrolase activities, indicating their potential for oxidizing complex molecules like lignin.
Article
Chemistry, Physical
Adarsh Kumar, Ajay Kumar Singh, Muhammad Bilal, Ram Chandra
Summary: This review explores the adaptive mechanisms of extremophilic microbial communities and extremophilic ligninolytic enzymes, as well as their biochemical properties and activity. The research emphasizes the emerging applications of ligninolytic enzymes in a broad range of industrial and biotechnological potentials.
Editorial Material
Chemistry, Multidisciplinary
Elisa Vignali, Matteo Gigli, Simone Cailotto, Loredano Pollegioni, Elena Rosini, Claudia Crestini
Summary: A multi-enzyme multi-step system for lignin depolymerization was developed and tested on different types of lignins. The system was shown to cleave non-phenolic aryl glycerol beta-O-4 aryl ether bonds, and the overall reactivity was found to be dependent on the individual lignin structure.
Article
Materials Science, Paper & Wood
Lovepreet Kaur, Shiwani Guleria Sharma
Summary: In this study, lignin degrading bacteria were isolated from decaying wood samples, and their enzymatic activity and growth performance were evaluated.
CELLULOSE CHEMISTRY AND TECHNOLOGY
(2022)
Article
Chemistry, Physical
Virendra Kumar Yadav, Nitin Gupta, Pankaj Kumar, Marjan Ganjali Dashti, Vineet Tirth, Samreen Heena Khan, Krishna Kumar Yadav, Saiful Islam, Nisha Choudhary, Ali Algahtani, Sweta Parimita Bera, Do-Hyeon Kim, Byong-Hun Jeon
Summary: Lignin is a commercially important polymeric material with wide applications and potential for biodegradation. However, its complex structure and recalcitrant nature pose challenges for researchers. Recent studies have focused on microbial degradation of lignin and synthesis of lignin nanoparticles. Additionally, surface modification of lignin nanoparticles requires further investigation.
Review
Chemistry, Multidisciplinary
Seonghun Kim
Summary: Mushroom ligninolytic enzymes are powerful biocatalysts that can degrade complex lignin structures, with laccase-mediated grafting being used to modify lignin and other polymers to obtain novel functional groups. These enzymes have potential applications in catalytic reactions involving lignin and its derivatives for obtaining value-added chemicals and materials in lignin valorization.
APPLIED SCIENCES-BASEL
(2021)
Article
Biotechnology & Applied Microbiology
Issa Fall, Quentin Czerwiec, Sofiene Abdellaoui, Bastien Doumeche, Marjorie Ochs, Caroline Remond, Harivony Rakotoarivonina
Summary: Lignocellulosic biomass is a rich source of aromatic compounds, but their complex chemical structure makes it challenging to separate and utilize them. This study identified a thermophilic bacterium that produces stable and efficient enzymes for lignin transformation, offering potential solutions for biorefinery processes.
APPLIED MICROBIOLOGY AND BIOTECHNOLOGY
(2023)
Article
Microbiology
Prerna Verma, Sonam Tripathi, Sangeeta Yadav, Ram Chandra
Summary: The aim of this study was to optimize the production of Ligninolytic enzyme for the degradation of complex pollutants in pulp paper industrial effluent. Two bacterial strains were isolated and identified as efficient producers of ligninolytic enzymes. These enzymes showed optimum production under specific conditions and were effective in degrading pollutants in wastewater. This study provides important guidance for the industrial sector in treating complex wastewater.
ARCHIVES OF MICROBIOLOGY
(2022)
Article
Microbiology
Yvette Ley, Xiao-Yu Cheng, Zhi-Yue Ying, Ning-Yi Zhou, Ying Xu
Summary: Two bacterial consortia capable of degrading alkali lignin were enriched from nearshore sediments of the East and South China Seas. These consortia could produce ligninolytic enzymes and degrade lignin and its derivatives through multiple pathways. This study highlights the significant role of bacteria in lignin degradation and their contribution to the oceanic carbon cycle.
MICROBIOLOGY SPECTRUM
(2023)
Article
Chemistry, Multidisciplinary
Muhammad Bilal, Hafiz M. N. Iqbal
Summary: Lignin is a key component of lignocellulosic biomass and developing immobilized ligninolytic enzyme-based nano-biocatalytic systems offers a greener and more sustainable option for lignocellulosic biomass valorization.
CURRENT OPINION IN GREEN AND SUSTAINABLE CHEMISTRY
(2022)
Article
Biochemistry & Molecular Biology
Issa Fall, Bastien Doumeche, Sofiene Abdellaoui, Caroline Remond, Harivony Rakotoarivonina, Marjorie Ochs
Summary: This article presents a novel electrochemical tool based on lignin-coated paper electrodes for the detection and characterization of ligninolytic activity. The suitability of this method has been demonstrated using a catalaseperoxidase isolated from Thermobacillus xylanilyticus.
BIOELECTROCHEMISTRY
(2024)
Article
Chemistry, Multidisciplinary
Davide Tocco, Cristina Carucci, Maura Monduzzi, Andrea Salis, Enrico Sanjust
Summary: This review focuses on lignocellulosic biomass derived from straw and related crops, discussing its lignin contents, structure, and properties, as well as current and potential delignification protocols. Emphasis is placed on herbaceous monocot materials and their available pretreatments, with special attention given to fungal ligninolytic enzymes and recent developments in their application.
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2021)
Article
Biochemistry & Molecular Biology
Weihua Qiu, Jinru Liu
Summary: This paper investigates the degradation performance of Coriolopsis trogii on enzymatic hydrolysis lignin (EHL) and Kraft lignin (KL), and finds that EHL can effectively promote the cell growth and ligninolytic enzyme secretion of C. trogii TS01, while KL significantly inhibits its growth and enzyme secretion.
APPLIED BIOCHEMISTRY AND BIOTECHNOLOGY
(2022)
Article
Energy & Fuels
Evanildo F. Souza Jr, Douglas F. Passos, Felipe Souto, Veronica M. A. Calado, Nei Pereira Jr
Summary: This study focuses on obtaining fungal laccases and modifying the structure of lignin by enzymatic action in the laccase-ABTS system, aiming to reduce its molecular stiffness. The research found that the optimal specific aeration rate in a bubble column reactor is 0.67 vvm, resulting in a laccase activity of 3260 U/L, and the enzymatic activity increased by 60% in a stirred tank reactor. The enzymatic cocktail produced in this study effectively modifies the structure of Kraft lignin, making it suitable for various applications.
BIOMASS CONVERSION AND BIOREFINERY
(2023)
Article
Environmental Sciences
Amahle Bokveld, Nonso E. Nnolim, Tennison O. Digban, Anthony I. Okoh, Uchechukwu U. Nwodo
Summary: The valorization of keratinous biomass for value-added products is of high importance in ecological management and the advancement of the bio-economy. Through screening and identification of bacteria, as well as optimization of fermentation process conditions, chicken feathers can be converted into amino acid-rich hydrolysate, providing potential applications as dietary protein supplements in livestock feed.
ENVIRONMENTAL TECHNOLOGY
(2023)
Article
Energy & Fuels
Elvis Kodzo Ahiahonu, William Wilson Anku, Ashira Roopnarain, Ezekiel Green, Penny Poomani Govender, Mahloro Hope Serepa-Dlamini
Summary: This study isolated and investigated two wild green microalgal species with biotechnological potential. The microalgae showed high biomass productivity, CO2 biosequestration ability, and nutrient content. One of the species demonstrated nutraceutical importance, while the other showed potential in bioethanol production. Both species met quality standards for biodiesel.
BIOMASS CONVERSION AND BIOREFINERY
(2023)
Article
Biochemical Research Methods
Chiedu E. Edoamodu, Uchechukwu U. Nwodo
Summary: Purified bacterial laccases isolated from marine sediment were effective in degrading Bisphenol A (BPA). Two promising bacterial strains were identified and characterized for their laccase activity, showing potential for bioprocess applications in BPA degradation.
PREPARATIVE BIOCHEMISTRY & BIOTECHNOLOGY
(2022)
Article
Environmental Sciences
Hope Onohuean, Anthony Okoh, Uchechukwu U. Nwodo
Summary: Reports have shown that Vibrio species isolated from surface waters in South-Western districts of Uganda exhibit high resistance to major antibiotics, indicating a potential public health risk due to environmental pollution. Control of infectious bacteria and environmental pollution monitoring are necessary to address the implicated problem. Monitoring emerging trends in drug resistance at local and international levels is recommended.
SCIENCE OF THE TOTAL ENVIRONMENT
(2022)
Article
Microbiology
Kevin Maclean, Fernande Olpa J. Pankendem Njamo, Mahloro Hope Serepa-Dlamini, Kulsum Kondiah, Ezekiel Green
Summary: This study assessed the antibiotic resistance of Pseudomonas aeruginosa from SCUBA divers and their environment in South Africa. The results showed that the bacteria were resistant to multiple antibiotics and carried various antibiotic resistance genes.
Review
Multidisciplinary Sciences
H. Onohuean, E. Agwu, U. U. Nwodo
Summary: This study conducted a systematic review and meta-analysis of the prevalence and incidence of antibiotic resistance genes in Vibrio species isolated from environmental samples. The results showed the distribution of resistance genes and the resistance rates of different antibiotics. However, there was no clear trend or pattern in the distribution of resistance genes, indicating a need for further research to understand the structural cohesion in the distribution of resistance determinants.
Article
Environmental Sciences
Rudzani P. Manafe, Nolwazi L. Bhembe-Magadaza, Ezekiel Green
Summary: Brucellosis, a widespread zoonotic illness, poses serious health and economic risks. This investigation examined the antimicrobial susceptibility and virulence-associated genes of Brucella isolates from cattle, goats, and sheep. Results showed high levels of resistance to certain antibiotics and identified potential reservoirs of antibiotic resistance in the Eastern Cape Province.
INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH
(2022)
Article
Food Science & Technology
Margaret Selina Modimola, Ezekiel Green, Patrick Njobeh, Jeremiah Senabe, Gerda Fouche, Lyndy McGaw, Sanah Malomile Nkadimeng, Kgama Mathiba, Julian Mthombeni
Summary: Bacterial secondary metabolites play a significant role in disease alleviation, although some of these metabolites may be harmful to human cells. This study examined the cytotoxicity of secondary metabolites from three strains of Staphylococci and found that their toxicity varied.
Article
Infectious Diseases
Zizipho Ntshanka, Temitope C. Ekundayo, Erika M. du Plessis, Lise Korsten, Anthony Okoh
Summary: This study aims to assess the resistance of vegetable-borne L. monocytogenes to antibiotics. The findings show a high occurrence of multidrug-resistant L. monocytogenes and clinical antibiotic resistance genes (ARGs) in fresh vegetables, which constitutes an immediate danger for the health security of the public.
Article
Biochemistry & Molecular Biology
Oluwaseun Ola Adeniji, Nolonwabo Nontongana, Anthony Ifeanyin Okoh
Summary: This study classified Enterococcus isolates using PCR and evaluated them using various methods. It found that Enterococcus spp. in environmental samples belonged to different species and exhibited resistance to multiple antibiotics. The combination therapy of gentamicin and vancomycin showed antibacterial activity against Enterococcus faecalis, while the combination of ciprofloxacin and Ampicillin showed a bacteriostatic effect. ERIC-PCR analysis revealed close genetic similarities among most of the assessed isolates.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2023)
Review
Biochemistry & Molecular Biology
Oluwaseun Ola Adeniji, Nolonwabo Nontongana, Janet Chiyem Okoh, Anthony Ifeanyi Okoh
Summary: Antibiotic resistance is a global public health concern, and finding new treatment methods is important. Combining antibiotics and using nanoparticles may have potential in treating multidrug-resistant bacterial infections.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2022)
Article
Multidisciplinary Sciences
Isoken H. Igbinosa, Chukwunonso N. Amolo, Abeni Beshiru, Olajide Akinnibosun, Abraham G. Ogofure, Maged El-Ashker, Mayada Gwida, Anthony I. Okoh, Etinosa O. Igbinosa
Summary: This study aimed to characterize Salmonella serovars isolated from poultry farms in Edo and Delta States, Nigeria. The results showed that Salmonella Enteritidis, Salmonella Typhimurium, and other Salmonella serovars were present in the poultry farms. All Salmonella serovars were resistant to cefotaxime and ampicillin and exhibited virulence determinants and the ability to form biofilms. These findings indicate a public health risk as these antibiotic-resistant pathogens could be transmitted to humans through poultry products and manure.
Article
Food Science & Technology
Adeoye John Kayode, Anthony Ifeanyi Okoh
Summary: Antimicrobial resistance poses a significant threat to the health sector and the management of microbial infections. This study analyzed the susceptibility of 194 Listeria monocytogenes isolates and investigated the risk of listeriosis associated with ready-to-eat foods and the empirical treatment of L. monocytogenes infections. The results showed high levels of antimicrobial resistance against prescribed and non-prescribed antimicrobials, indicating a potentially high risk of L. monocytogenes infection.
Article
Biotechnology & Applied Microbiology
Grace Abosede Daji, Ezekiel Green, Oluwafemi Ayodeji Adebo
Summary: Mahweu is an important indigenous beverage in southern Africa, especially for low-income and undernourished consumers. This study investigated the nutritional and phytochemical composition of mahewu samples made from white and yellow maize using different fermentation methods. The results showed that fermentation improved the protein and carbohydrate content of the mahewu samples. The samples also contained various minerals, amino acids, and phenolic compounds. The choice of fermentation method may affect the nutritional and health benefits of mahewu.
FERMENTATION-BASEL
(2023)
Review
Public, Environmental & Occupational Health
Hope Onohuean, Ezera Agwu, U. U. Nwodo
Summary: This meta-synthesis provides a comprehensive overview of global research progress on Vibrio species and associated disease outbreaks over a span of three decades (1990-2019). The study aims to generate the necessary knowledge for designing effective interventions and informing policy decisions. The analysis of 776 publications reveals notable trends, such as an average of 24.25 +/- 13.6 publications per year with an annual growth rate of 4.71%. The findings also highlight influential authors, journals, and countries, emphasizing the importance of establishing a sustained research mentorship program.
ENVIRONMENTAL HEALTH INSIGHTS
(2022)
